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  • High Efficiency Effective Energy Saving Aod Furnace - China

    price: contact company for price

    Description of AOD industrial refining furnace

    AOD is the refining equipment of argon oxygen decarburization. It’s named after the acronym of its English

    name. Its configuration is similar to converter which is set on a support ring tilting front and back and is fixed

    with dowel. On the side bottom of the furnace, spray lances are set to blow gases towards the horizontal

    direction of the molten pool. The number of spray lance is different according to the tonnage of the furnace,

    generally 2- 3.

    The extension cord of spray lance coincides with the vertical spindle of furnace. Spray lance is made up of

    inner pipe ( copper) and outer pipe ( stainless steel) . Inner pipe is used to import the main blowing gases

    ( made up of Ar- O2 or Ar- N2) . Annular gap between inner pipe and outer pipe imports Ar, N2 or air to cool the spray lance. Spray lance

    is depletion type. It is imbedded into refractory layers when constructing furnace. It is burned up during the

    period of smelting synchronizing with furnace lining. The blown oxygen is used to heat carbon oxide. Blown

    argon is used to strong convection agitation. The blown nitrogen is used to alloy when producing high nitrogen

    alloy. Lots of metal nitride are saved during the production process of 21- 4N kinds of steel. For example, the amount of chromium nitride is reduced and cost of production is saved a lot.

    The furnace body is built by magnesiacalcium brick, chrome magnesium brick or magnesium dolomite brick.

    Higher quality of electric smelting chrome magnesium brick is used around the spray lance to

    bear scour of high temperature and molten steel. Removable furnace lid is built with chrome magnesium brick or

    alumina- magnesia brick. It also can be made by heat- resistant concrete.

    Dimensional proportion of furnace hearth is pool depth: inside diameter:

    total furnace height = 1: 2: 3. In the situation of furnace tilting forwards a certain angle, the primary molten steel

    is poured into by swiveling ladle. At this time, pneumatic lance is on the surface of molten steel. When the

    furnace is back to the upright position, spray lance is submerged into the deep molten steel and begins to blow

    and refine. After refining, steel is still out from furnace lid.

    Company Contact:

    • Phone: 862987306978

    • Address: Xiangshu Building, Keji 5th Road, High-tech Zone, Xi'an, China

    • Email: Email

    Published date: November 26, 2015 -

    • Business Description: Profile:

      SHOO IN (ITL) Holding Xi'an Equipment Co., Ltd is specialized in producing electric arc furnace, refining furnace, VD, VOD vacuum casting and kinds of ferro alloy submerged arc furnace and medium frequency furnace as well as spare parts and metallurgical equipment. It is an international metallurgical equipment engineering company, which is shared by Hong Kong international super large enterprise group SHOO IN (ITL) holding Xi'an equipment Co., Ltd and hold by Fujian new investment management Co., Ltd. Senior management, key technical staff, line manager, installation and debugging personnel in SHOO IN also share. The registration place is Xi'an China. With the development of more than ten years, SHOO IN has been a large comprehensive engineering company. The main business is domestic first class metallurgical equipment design, production, complete design and project general contracting. There are over 100 staff which include 50 workers and 40 people for designing and administration. We also have lots of expert of high reputation as counselor group to supply solution on innovative and high technology, management, quality controlling etc. The engineering project contracting is all over the country related with more than 100 large and medium sized enterprises in more than 10 provinces, municipalities and autonomous regions. At the same time, our company supplies steel mill in many countries and regions with equipment, technical cooperation, technical exchange and joint design. What's more, environmental protection and energy saving vertical charging scrap preheating arc furnace independently developed by our company has reached the international lowest power consumption. Power consumption of scrap steel smelting is close to 300 KWH per ton, and reduce the cost $12.3 for per ton steel. Take an example of annual output 200000 tons of steel factory, power consumption and energy saving aspects increase profits $2.5 million. The electrode adjustment system is adopted Siemens technology. The electric furnace and the vertical feeding system are developed by our company independently. And we applied for a patent. Our company applied for dozens of patents over the years. We often have technical exchanges with Japan, America, Germany and other countries. We also exchange and cooperate with China Iron & Steel Research Institute and academic institutions such as University of Science and Technology Beijing, Northeastern University, Xi'an University of Architecture and Technology, Xi'an University of Technology, etc. Thus, our company made a breakthrough in multiple key technology of metallurgical equipment. Now, we are applying for national energy conservation and scientific research funds. The concept of our company is "Establishing the industry credibility; Win the customers trust. " Our company sincerely provides first class and advanced equipment for domestic and abroad customers. We would like to make efforts in energy conservation and improving company profitability to reach the international leading level. At present, leading products and scope of business supplied by our company for customers at home and abroad are as follow: 1.15 350t three arm ladle refining furnace 2. National level key new product 15 100t three phase single arm ladle refining furnace 3. Domestic advanced 20 150t high impedance and ultrahigh power electric arc furnace 4. Eco friendly and energy saving vertical charging scrap preheating arc furnace 5. Eco friendly and energy saving horizontal charging scrap preheating furnace 6.15 350 t VD, VOD, AOD vacuum refining furnace equipment, process system and VC vacuum pouring equipment7. Electrode adjustment system of electric arc furnace and refining furnace (Siemens technology) 8. National level key new product 5 300t DW series EAF short net We sincerely welcome domestic and abroad customers to contact and visit our company!

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